| Literature DB >> 12639099 |
Amar Safdar, Donald Armstrong, Henry W Murray.
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Year: 2003 PMID: 12639099 DOI: 10.7326/0003-4819-138-6-200303180-00030
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391